Dweets awesomed by u/PotatoImaginator

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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DataMeta

remix of d/8735 by u/DataMeta

function u(t) {

for(i=60;i--;)o=i*4.4,x.lineWidth=i,x.fillStyle=R(o-16,o+16,o+32,),x.beginPath(),x.arc(960+t*S(T(i))*i,540+C(T(i))*i,256-t*t,0,7),x.fill()

Jun 28 2018 4:01 AM UTC

}// 138/140

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Gemstone

u/firegodjr

Ooo, nice
u/magna

#waitforit
u/sigveseb

Niiice!

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magna

function u(t) {

x.fillRect(0,0,c.width=w=255,w)
for(i=99;i--;x.fill(x.arc((t*b*i+i*i)%w,99+b,5+b/5,!x.beginPath(),7)))b=i&1?1:-1,x.fillStyle=R(w,b*w,b*w,.2)

Jun 26 2018 3:22 AM UTC

}// 140/140

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Highway at night #bokeh

u/lionleaf

I like it! #traffic
u/magna

2 chars shorter, yellow headlights: with(x)for(i=fillRect(0,0,c.width=w=255,w)|99;i--;fill(arc((t*b+i)*i%w,99+b,5+b/5,!beginPath(),7)))b=i&1?1:-1,fillStyle=R(w,b*w,b*w*.8,.2)
u/aleamb

absolutely beautiful, magna
u/joeytwiddle

Love it. Reminds me of Mercury - The Timeless. Would be great to get some z-axis going.
u/magna

Thanks folks!

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DataMeta

remix of d/8706 by u/DataMeta

function u(t) {

r=Math.random;m=r();n=r();for(i=0;i<256;i++)x.fillStyle=R(i/n*m*m,i/m*n,i+128,.33),x.fillRect(960+4*i*S(i+t),540+S(i)*i*2,T(i%t)/m,T(t-i)/n)

Jun 24 2018 4:08 PM UTC

}// 140/140

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u/Galaxtone

#glitch

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jylikangas

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(u=29;u--;)for(v=65;v--;x.clearRect(960+(150+99*C(v))*C(U)*z,540+75*S(v)*z,z,z))z=60/(9+C(v)/T(t/2))*S(U=u/9+t/9)

Jun 23 2018 8:08 AM UTC

}// 140/140

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Pulsating Torus

u/lionleaf

#torus
u/DataMeta

Marvelous!
u/iverjo

Well done!
u/Galaxtone

TypeError: u is not a function

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BalintCsala

function u(t) {

c.width=300
with(x)for(translate(150,90),i=10*t;i-->0;fill())beginPath(fillStyle=`hsl(${i},99%,50%`),arc(i,0,4*C(i*.9)+6,0,9),rotate(-3.88)

Jun 20 2018 5:17 PM UTC

}// 139/140

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u/joeytwiddle

Lower res higher frames :)
u/Xen

love it
u/pythech

no credits given, rude :(

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lionleaf

remix of d/8639 by u/pythech

function u(t) {

c.width|=0
with(x)for(translate(900,500),i=9*t;i-->0;fill())fillStyle='hsl('+9*i+',99%,50%)',fillRect(5*i,0,a=40*S(i*.9)+60,a),rotate(-3.88)

Jun 19 2018 1:07 AM UTC

}// 140/140

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#confetti remix! Had to go to squares to squeeze color in, but should be possible to golf back to circles

u/BalintCsala

You don't have to close the hsl function
u/redactedhoptional

You can use a template string in the color string, so hsl(${9*i},99%,50%, it saves 1 character. You could also make it translate(960,540) so it is correctly centered.
u/redactedhoptional

Also also, you can remove fill(), and round the -3.88 to -3.9 to save a character.

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veubeke

remix of d/8632 by u/veubeke

function u(t) {

r=Math.random
t&&(S-=5)>3?0:_=r(X=r(Y=r(S=60,H=r()*2+1|0)*19|0)*33|0)<.5
x.fillStyle=`hsla(${t},60%,${S}%`
x.fillRect(X*60-S,Y*60-S,S*H,S*H)

Jun 18 2018 10:31 AM UTC

}// 140/140

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veubeke

remix of d/8399 by u/veubeke

function u(t) {

d=new Date%2
for(H=a=60;a--;)for(b=H;b--;x.fillRect(a+t*60%32*H,y,2,2))y=(d?H-a:a)/2+b+(t*60>>5)*30-H,x.fillStyle=R(255-y/5,b&&(d+3)*60-b)

Jun 5 2018 9:04 PM UTC

}// 138/140

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Show more comments…
u/Xen

Love it!
u/yokljo

new Date%2 is incredible
u/lionleaf

Amazing! #maze
u/pythech

dope
u/magna

Veubeke strikes again.
u/katkip

A-maze-ing
u/katkip

#d3

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firegodjr

function u(t) {

x.globalAlpha=c.width|=1
with(Math)for(i=f=450;i--;)x.fillRect(i*5,sin((i+t*9)/64)*f*sin((i+t*5)/12)+f,5,5*i)

Jun 5 2018 5:43 PM UTC

}// 109/140

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Smooth

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pythech

remix of d/8305 by u/pythech

function u(t) {

c.width|=0
with(x)for(i=9;--i;font="15em 🤔")fillText('🤔',3*S(t)*C(t*i)*300+800,S(t*i)*300+640)

May 29 2018 8:25 PM UTC

}// 94/140

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u/magna

🤔
u/S.T.L.K.R.

Muazzam

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